Liquid, gaseous and plasma nitrocarburizing using three different stainless steel types as a substrate (austenite, ferritic and duplex): a comparative studyE. Bezerra de Menezes Netto, A. Madeira Kliauga, R. L. Plaut and A. F. PadilhaRev. Met. Paris, 100 1 (2003) 83-91DOI: https://doi.org/10.1051/metal:2003149